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Add initramfs portion

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This commit is contained in:
Hal Emmerich 2019-09-17 23:25:29 -05:00
parent a61a66718f
commit bc70fab889
1 changed files with 18 additions and 18 deletions
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36
scripts/buildFilesystem.sh
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@ -67,26 +67,25 @@ create_image() {
dd if=/dev/zero of=$1 bs=$3 count=$4 conv=sparse dd if=/dev/zero of=$1 bs=$3 count=$4 conv=sparse
parted --script $1 mklabel gpt parted --script $1 mklabel gpt
cgpt create $1 cgpt create $1
cgpt add -i 1 -t kernel -b 8192 -s 65536 -l Kernel -S 1 -T 5 -P 10 $1 kernel_start=8192
boot_start=$((8192 + 65536)) kernel_size=65536
boot_end=`cgpt show $1 | grep 'Sec GPT table' | awk '{print $1}'`
size=$(($boot_end - $boot_start))
#create the initramfs partiton, aka /boot
boot_start=$(($start + $size))
boot_size=409600 # 200 MB boot_size=409600 # 200 MB
cgpt add -i 1 -t kernel -b $kernel_start -s $kernel_size -l Kernel -S 1 -T 5 -P 10 $1
#create the initramfs partiton, aka /boot
boot_start=$(($kernel_start + $kernel_size))
cgpt add -i 2 -t data -b $boot_start -s $boot_size -l Boot $1 cgpt add -i 2 -t data -b $boot_start -s $boot_size -l Boot $1
#Now the main filesystem #Now the main filesystem
root_start=$(($boot_start + $boot_size)) root_start=$(($boot_start + $boot_size))
end=`cgpt show $1 | grep 'Sec GPT table' | awk '{print $1}'` end=`cgpt show $1 | grep 'Sec GPT table' | awk '{print $1}'`
root_size=$(($end - $root_start)) root_size=$(($end - $root_start))
cgpt add -i 3 -t data -b $start -s $size -l Root $1 cgpt add -i 3 -t data -b $root_start -s $root_size -l Root $1
# $size is in 512 byte blocks while ext4 uses a block size of 1024 bytes # $size is in 512 byte blocks while ext4 uses a block size of 1024 bytes
losetup -P $2 $1 losetup -P $2 $1
mkfs.ext4 -F -b 1024 -m 0 ${2}p2 $(($boot_size / 2)) mkfs.ext4 -F -b 1024 -m 0 ${2}p2 $(($boot_size / 2))
mkfs.ext4 -F -b 1024 -m 0 ${2}p3 $(($root_size / 2)) mkfs.ext4 -F -b 1024 -m 0 ${2}p3 $(($root_size / 2))
# mount the / partition # mount the / partition
mount -o noatime ${2}p2 $5 mount -o noatime ${2}p3 $5
# mount the /boot partiton # mount the /boot partiton
mkdir -p $5/boot mkdir -p $5/boot
@ -168,22 +167,23 @@ chroot $outmnt apt install -y initscripts udev kmod net-tools inetutils-ping tra
#make the initramfs image that gets copied to partiton 2 #make the initramfs image that gets copied to partiton 2
#make a skeleton filesystem #make a skeleton filesystem
initramfs_src=/usr/src/initramfs initramfs_src=$outmnt/usr/src/initramfs
chroot $outmnt mkdir -p $initramfs_src mkdir -p $initramfs_src/
chroot $outmnt mkdir $initramfs_src/{bin,dev,etc,newroot,proc,sys,sbin,run,lib,lib/arm-linux-gnueabihf} mkdir ${initramfs_src}/{bin,dev,etc,newroot,proc,sys,sbin,run,lib}
mkdir $initramfs_src/lib/arm-linux-gnueabihf
#install the few tools we need #install the few tools we need
chroot $outmnt cp /bin/busybox /sbin/cryptsetup $initramfs_src/bin/ cp $outmnt/bin/busybox $outmnt/sbin/cryptsetup $initramfs_src/bin/
chroot $outmnt cp /lib/arm-linux-gnueabihf/{libblkid.so.1,libc.so.6,libuuid.so.1} $initramfs_src/lib/arm-linux-gnueabihf/ cp ${outmnt}/lib/arm-linux-gnueabihf/{libblkid.so.1,libc.so.6,libuuid.so.1} ${initramfs_src}/lib/arm-linux-gnueabihf/
chroot $outmnt cp /lib/ld-linux-armhf.so.3 $initramfs_src/lib/ cp $outmnt/lib/ld-linux-armhf.so.3 $initramfs_src/lib/
chroot $outmnt cp /sbin/blkid $initramfs_src/bin/ cp $outmnt/sbin/blkid $initramfs_src/bin/
#add the init script #add the init script
cp $build_resources/initramfs-init $outmnt/$initramfs_src/init cp $build_resources/initramfs-init $initramfs_src/init
chroot $outmnt chmod +x $initramfs_src/init chmod +x $initramfs_src/init
#compress and install #compress and install
#TODO, make this correct #TODO, make this correct
chroot $outmnt find $initramfs_src -print0 | cpio --null --create --verbose --format=newc | gzip --best > /boot/PrawnOS-initramfs.cpio.gz find $initramfs_src -print0 | cpio --null --create --verbose --format=newc | gzip --best > $outmnt/boot/PrawnOS-initramfs.cpio.gz
#add the live-boot fstab #add the live-boot fstab